Ratios, Rates, and Proportions Practice Quiz

Solving ratio problems: If the ratio of boys to girls in a class is 3:5 and there are 24 boys, how many total students are there?

• 30

• 45

• 40

• 64

Solving ratio problems: If the ratio of red marbles to blue marbles in a jar is 2:5 and there are 35 blue marbles, how many red marbles are there?

• 14

• 50

• 20

• 5

Calculating unit rates: If a car travels 240 miles in 4 hours, what is the unit rate in miles per hour?

• 30 miles per hour

• 100 miles per hour

• 60 miles per hour

• 200 miles per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Calculating unit rates: If a pack of 8 batteries costs $12, what is the unit price per battery?

• $1.50

• $0.75

• $2.00

• $10.00

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Identifying equivalent ratios: Which of the following ratios is equivalent to 4:7? a) 8:14 b) 12:21 c) 16:28 d) 20:35

• b) 12:21

• d) 20:35

• a) 8:14

• c) 16:28

Tags

CCSS.6.RP.A.3A

Identifying equivalent ratios: Which of the following ratios is equivalent to 3:8? a) 6:16 b) 9:24 c) 12:32 d) 15:40

• a) 6:16

• d) 15:40

• b) 9:24

• c) 12:32

Tags

CCSS.6.RP.A.3A

Solving proportion problems: If 5 pens cost $7.50, how much will 8 pens cost?

• $15.00

• $10.00

• $12.00

• $5.00

Tags

CCSS.6.RP.A.3B

Solving proportion problems: If 4 shirts can be made from 12 yards of fabric, how many shirts can be made from 18 yards of fabric?

• 2 shirts

• 6 shirts

• 8 shirts

• 10 shirts

Tags

CCSS.7.RP.A.3

Using ratios to solve real-world problems: If a recipe calls for 2 cups of flour and 3 cups of sugar, and you want to double the recipe, how much flour do you need?

• 1 cup

• 4 cups

• 6 cups

• 5 cups

Using ratios to solve real-world problems: If a map scale is 1 inch represents 10 miles, how many inches on the map represent 50 miles?

• 2 inches

• 10 inches

• 5 inches

• 25 inches